1. Suitable for laptops under 17.3 inches 2. The angle and height can be adjusted 180 degrees, and the device can be rotated arbitrarily in 360 degrees 3. Reserve a charging port, you can play while charging 4. Aluminum alloy material, strong bearing capacity and stable support 5. Hollow-out cooling 6. Silicone gasket, non-slip while protecting your computer from being scratched 7. Double-layer folding storage, does not occupy space, easy to carry 8. Raised height: 0-21.5cm 9. Expanded size: 145x145x180mm 10. Blocking size: 190x145x50mm